set indy to false. Fixes #145.
store the rails 4 asset cache to improve asset pipeline performance
Merge pull request #146 from hone/jruby-passenger

set indy to false. Fixes #145.
Move logic to testable class
Merge pull request #147 from hone/cache_assets

store the rails 4 asset cache to improve asset pipeline performance
restrict build rubies to mri 1.9.2 and 1.8.7